Electrical extension cord



FIG. 1 is a rear, bottom, and left side perspective view of an electrical extension cord showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawing depict portions of the electrical extension cord that form no part of the claimed design. 

CLAIM The ornamental design for an electrical extension cord, as shown and described. 